[llvm] [GlobalISel] Diagnose inline assembly constraint lowering errors (PR #135782)

Wed May 7 05:47:17 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-arm-ubuntu` running on `linaro-lldb-arm-ubuntu` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/18/builds/15617

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-api :: tools/lldb-dap/console/TestDAP_console.py (1170 of 3018)
PASS: lldb-api :: terminal/TestEditline.py (1171 of 3018)
UNSUPPORTED: lldb-api :: tools/lldb-dap/disassemble/TestDAP_disassemble.py (1172 of 3018)
UNSUPPORTED: lldb-api :: tools/lldb-dap/evaluate/TestDAP_evaluate.py (1173 of 3018)
PASS: lldb-api :: tools/lldb-dap/exception/TestDAP_exception.py (1174 of 3018)
PASS: lldb-api :: tools/lldb-dap/exception/cpp/TestDAP_exception_cpp.py (1175 of 3018)
UNSUPPORTED: lldb-api :: tools/lldb-dap/exception/objc/TestDAP_exception_objc.py (1176 of 3018)
PASS: lldb-api :: tools/lldb-dap/databreakpoint/TestDAP_setDataBreakpoints.py (1177 of 3018)
UNSUPPORTED: lldb-api :: tools/lldb-dap/extendedStackTrace/TestDAP_extendedStackTrace.py (1178 of 3018)
UNRESOLVED: lldb-api :: tools/lldb-dap/disconnect/TestDAP_disconnect.py (1179 of 3018)
******************** TEST 'lldb-api :: tools/lldb-dap/disconnect/TestDAP_disconnect.py' FAILED ********************
Script:
--
/usr/bin/python3.10 /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --arch armv8l --build-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/lldb --compiler /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/dsymutil --make /usr/bin/gmake --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/tools/lldb-dap/disconnect -p TestDAP_disconnect.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 21.0.0git (https://github.com/llvm/llvm-project.git revision c22081c320340d0e7542b247ee093ca515509b52)
  clang revision c22081c320340d0e7542b247ee093ca515509b52
  llvm revision c22081c320340d0e7542b247ee093ca515509b52
Skipping the following test categories: ['libc++', 'dsym', 'gmodules', 'debugserver', 'objc']

--
Command Output (stderr):
--
========= DEBUG ADAPTER PROTOCOL LOGS =========
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1746621810.068817377 <-- (stdin/stdout) {"body":{"$__lldb_version":"lldb version 21.0.0git (https://github.com/llvm/llvm-project.git revision c22081c320340d0e7542b247ee093ca515509b52)\n  clang revision c22081c320340d0e7542b247ee093ca515509b52\n  llvm revision c22081c320340d0e7542b247ee093ca515509b52","completionTriggerCharacters":["."," ","\t"],"exceptionBreakpointFilters":[{"default":false,"filter":"cpp_catch","label":"C++ Catch"},{"default":false,"filter":"cpp_throw","label":"C++ Throw"},{"default":false,"filter":"objc_catch","label":"Objective-C Catch"},{"default":false,"filter":"objc_throw","label":"Objective-C Throw"}],"supportTerminateDebuggee":true,"supportsBreakpointLocationsRequest":true,"supportsCancelRequest":true,"supportsCompletionsRequest":true,"supportsConditionalBreakpoints":true,"supportsConfigurationDoneRequest":true,"supportsDataBreakpoints":true,"supportsDelayedStackTraceLoading":true,"supportsDisassembleRequest":true,"supportsEvaluateForHovers":true,"supportsExceptionInfoRequest":true,"supportsExceptionOptions":true,"supportsFunctionBreakpoints":true,"supportsHitConditionalBreakpoints":true,"supportsInstructionBreakpoints":true,"supportsLogPoints":true,"supportsModulesRequest":true,"supportsReadMemoryRequest":true,"supportsRestartRequest":true,"supportsSetVariable":true,"supportsStepInTargetsRequest":true,"supportsSteppingGranularity":true,"supportsValueFormattingOptions":true},"command":"initialize","request_seq":1,"seq":0,"success":true,"type":"response"}
1746621810.069724560 --> (stdin/stdout) {"command":"attach","type":"request","arguments":{"pid":4129251,"initCommands":["settings clear --all","settings set symbols.enable-external-lookup false","settings set target.inherit-tcc true","settings set target.disable-aslr false","settings set target.detach-on-error false","settings set target.auto-apply-fixits false","settings set plugin.process.gdb-remote.packet-timeout 60","settings set symbols.clang-modules-cache-path \"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api\"","settings set use-color false","settings set show-statusline false"]},"seq":2}
1746621810.071121931 <-- (stdin/stdout) {"body":{"category":"console","output":"Running initCommands:\n"},"event":"output","seq":0,"type":"event"}
1746621810.071459055 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings clear --all\n"},"event":"output","seq":0,"type":"event"}
1746621810.071542501 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set symbols.enable-external-lookup false\n"},"event":"output","seq":0,"type":"event"}
1746621810.071594477 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set target.inherit-tcc true\n"},"event":"output","seq":0,"type":"event"}
1746621810.071652174 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set target.disable-aslr false\n"},"event":"output","seq":0,"type":"event"}
1746621810.071728706 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set target.detach-on-error false\n"},"event":"output","seq":0,"type":"event"}
1746621810.071801186 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set target.auto-apply-fixits false\n"},"event":"output","seq":0,"type":"event"}
1746621810.071878910 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set plugin.process.gdb-remote.packet-timeout 60\n"},"event":"output","seq":0,"type":"event"}
1746621810.071956158 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set symbols.clang-modules-cache-path \"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api\"\n"},"event":"output","seq":0,"type":"event"}
1746621810.072077513 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set use-color false\n"},"event":"output","seq":0,"type":"event"}
1746621810.072145700 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set show-statusline false\n"},"event":"output","seq":0,"type":"event"}
1746621810.254232407 <-- (stdin/stdout) {"command":"attach","request_seq":2,"seq":0,"success":true,"type":"response"}
1746621810.254606009 <-- (stdin/stdout) {"body":{"module":{"addressRange":"6225920","debugInfoSize":"97.0KB","id":"65032E6C","name":"a.out","path":"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/disconnect/TestDAP_disconnect.test_attach/a.out","symbolFilePath":"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/disconnect/TestDAP_disconnect.test_attach/a.out","symbolStatus":"Symbols loaded."},"reason":"new"},"event":"module","seq":0,"type":"event"}
1746621810.256450891 <-- (stdin/stdout) {"body":{"module":{"addressRange":"4157997056","id":"E7A82D80-2FDA-232E-9C99-661C9BAA1445-B1AFEA53","name":"libm.so.6","path":"/lib/arm-linux-gnueabihf/libm.so.6","symbolStatus":"Symbols not found."},"reason":"new"},"event":"module","seq":0,"type":"event"}
1746621810.256524801 <-- (stdin/stdout) {"body":{"module":{"addressRange":"4157800448","id":"3654A16E-35F7-EEF1-0C40-3DDB5E0689B1-F36B76A6","name":"libgcc_s.so.1","path":"/lib/arm-linux-gnueabihf/libgcc_s.so.1","symbolStatus":"Symbols not found."},"reason":"new"},"event":"module","seq":0,"type":"event"}
1746621810.256562710 <-- (stdin/stdout) {"body":{"module":{"addressRange":"4156555264","id":"B1D0C0EB-A8EA-E644-0B34-664CA4DCF80A-F1F2788D","name":"libc.so.6","path":"/lib/arm-linux-gnueabihf/libc.so.6","symbolStatus":"Symbols not found."},"reason":"new"},"event":"module","seq":0,"type":"event"}
1746621810.256613970 <-- (stdin/stdout) {"body":{"isLocalProcess":true,"name":"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/disconnect/TestDAP_disconnect.test_attach/a.out","startMethod":"attach","systemProcessId":4129251},"event":"process","seq":0,"type":"event"}
1746621810.256734610 <-- (stdin/stdout) {"body":{"module":{"addressRange":"4158390272","id":"9958B23A-FBFD-6813-A91D-7350E4D19199-A930F418","name":"libstdc++.so.6","path":"/lib/arm-linux-gnueabihf/libstdc++.so.6","symbolStatus":"Symbols not found."},"reason":"new"},"event":"module","seq":0,"type":"event"}

```

</details>

https://github.com/llvm/llvm-project/pull/135782